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comp.lang.ruby

Trying to write a first plain ruby script

Jesse Crockett

7/11/2008 8:06:00 AM

In irb, the method "one\ntwo\nthree".split worked fine

but in a file..
-------------------------------
@text = "

line one
line two
line three
"

@lines = @text.split(/\n/)
-------------------------------

.. it fails: "private method `split' called for nil:NilClass
(NoMethodError)"

After getting the array of lines, again I need to call split() on each
line, then joing them with ", "

(basically I need a CSV file for 14,000 lines verb annotation from
WordNet)

It's late, so I probably could not figure this out myself tonight. Any
help is welcome. Thank you.
--
Posted via http://www.ruby-....
2 Answers

Axel Etzold

7/11/2008 10:04:00 AM

0


-------- Original-Nachricht --------
> Datum: Fri, 11 Jul 2008 17:05:54 +0900
> Von: Jesse Crockett <tefflox@gmail.com>
> An: ruby-talk@ruby-lang.org
> Betreff: Trying to write a first plain ruby script

> In irb, the method "one\ntwo\nthree".split worked fine
>
> but in a file..
> -------------------------------
> @text = "
>
> line one
> line two
> line three
> "
>
> @lines = @text.split(/\n/)
> -------------------------------
>
> .. it fails: "private method `split' called for nil:NilClass
> (NoMethodError)"
>
> After getting the array of lines, again I need to call split() on each
> line, then joing them with ", "
>
> (basically I need a CSV file for 14,000 lines verb annotation from
> WordNet)
>
> It's late, so I probably could not figure this out myself tonight. Any
> help is welcome. Thank you.
> --
> Posted via http://www.ruby-....

Dear Jesse,

I cannot reproduce your error on Ubuntu Linux ... did you really post the exact text/code ?
What operating system are you working on ? I suspect that the line breaks might be \r\n instead
of just \n (especially if the text file was created on Windows), and that

@lines = @text.split(/\n|\r\n/)

would work.

Best regards,

Axel
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Jesse Crockett

7/11/2008 5:04:00 PM

0

Heh. It was even later than I thought. The problem was that I called
the text string "@index_verbs" and had been trying to call `split' on
"@verb_index"

I can probably accomplish the rest of the script today :-)

--
Posted via http://www.ruby-....